Fedora 35 update for salt
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-21996 CVE-2021-22004 CVE-2021-31607 |
| CWE-ID | CWE-287 CWE-77 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Fedora Operating systems & Components / Operating system salt Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Exposure of Resource to Wrong Sphere
EUVDB-ID: #VU58294
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-21996
CWE-ID: N/A
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Salt download URL. A local user with control over the file source URL and its source_hash URL can gain full file system access as root on a salt minion.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 35
salt: before 3003.3-1.fc35
CPE2.3 External linkshttps://bodhi.fedoraproject.org/updates/FEDORA-2021-158e9c6eb9
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper Authentication
EUVDB-ID: #VU58293
Risk: Low
CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-22004
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to the salt minion installer will accept and use a minion config file at C:\salt\conf if that file is in place before the installer is run. A local user with ability to create files in the said directory can subvert the proper behavior of the given minion software.
Install updates from vendor's repository.
Vulnerable software versionsFedora: 35
salt: before 3003.3-1.fc35
CPE2.3 External linkshttps://bodhi.fedoraproject.org/updates/FEDORA-2021-158e9c6eb9
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Command Injection
EUVDB-ID: #VU58292
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-31607
CWE-ID:
CWE-77 - Command injection
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to command injection in the snapper module. A local user can escalate privileges on a minion.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 35
salt: before 3003.3-1.fc35
CPE2.3 External linkshttps://bodhi.fedoraproject.org/updates/FEDORA-2021-158e9c6eb9
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
